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kappa

Line breaks: kappa
Pronunciation: /ˈkapə
 
/

Definition of kappa in English:

noun

1The tenth letter of the Greek alphabet (Κ, κ), transliterated as ‘k’.
Example sentences
  • It was initially adopted by the Greeks as koppa, to represent /k/ before a back vowel; but classical Greek preferred the letter kappa, the ancestor of K, and koppa fell into disuse.
  • The text begins midsentence and continues with an enlarged marginal letter kappa on line 3.
  • Greek proper names and placenames containing kappa are often written in English with "c" due to contemporary rendering into the Latin alphabet by ancient Romans.
1.1 (Kappa) [followed by Latin genitive] Astronomy The tenth star in a constellation: Kappa Orionis
More example sentences
  • Kappa Ceti is a yellow-orange star like our Sun.
  • In 2005 kappa Coronae Borealis turned around and started heading back toward us.
1.2 [as modifier] Biochemistry Denoting one of the two types of light polypeptide chain present in all immunoglobulin molecules (the other being lambda).
Example sentences
  • The NK1, kappa opioid, and CCRS receptors all have an amino acid composition similar to rhodopsin near the conserved Pro.
  • Activation of kappa receptors blocked the induction of UP at the perforant-path synapses and this blockage can be reversed by naloxone 23.
  • Fewer extra residues are needed for the light chain, possibly due to the higher initial homology between the mouse and human kappa variable regions.

Origin

Greek.

Definition of kappa in:

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